In his study of how things fall, Galileo found out __________.

A. that heavy things did not fall faster than light things.

B. that heavy things always fell faster than light things.

Dẫn chứng "Before, people thought that heavy things fell faster than light things. He found out that this was not true. He took a heavy ball and a light ball and he dropped them both from a high place. They fell at the same speed. This meant that weight is not important."

Chọn D